Do Not Increase Plant Susceptibility To Problems Through
DO NOT INCREASE PLANT SUSCEPTIBILITY TO PROBLEMS THROUGH NEGLECT OR IMPROPER CARE. Additional information is in Extension bulletin E-1936, "Selecting Ornamental Plants" and
List of files and visuals associated with this text.
Extension bulletin E-1947, "Planting and Care of Ornamental Landscape Plants."
All plants can be affected by environmental and cultural problems. Only those occurring most frequently are listed here. Use pesticides only after an accurate diagnosis and control recommendation have been made. Use pesticides strictly in accordance with label directions. Always wear protective clothing and do not spray on windy days.
This list is for educational purposes only. Inclusion does not imply endorsement and omission does not imply discrimination. Not all of these pesticides are labeled or recommended in all states.
Willow (Salix) Disease Problems Bacterial twig blight no chemical control Black canker no chemical control Canker no chemical control Crown gall no chemical control Leaf blight, fungal no chemical control Leaf rust no chemical control Leaf spot, fungal control - benomyl Mushroom-shoestring root rot no chemical control Powdery mildew control - benomyl, lime-sulfur, triadimefon Scab and leaf blight no chemical control Tar spot no chemical control
Insect Problems Aphids control - diazinon, acephate, insecticidal soap
Beetle borers control - Caterpillars control - diazinon, carbaryl, malathion, pyrethrum, Bacillus thuringiensis Clear-wing borers control - Fall webworms control - diazinon, carbaryl, Bacillus thuringiensis, pyrethrum Gall mites control - sulfur, carbaryl Leaf beetles control - diazinon, carbaryl, rotenone, malathion, pyrethrum Scales control - adults: superior oil
crawlers: diazinon, acephate, pyrethrum, malathion, superior oil
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| Visual title - Visual size | Visual title - Visual size |
|---|---|
| Imported willow leaf beetle - 31K | Willow leaf beetle - 66K |
